They have been ____________________ (argument) over this issue for hours.
举一反三
- They have been ________ over this issue for hours. A: argue B: argues C: argued D: arguing
- The committee (A. has been arguing B. have been arguing) over the problem among themselves for two hours. A: has been arguing B: have been arguing
- They have been _ outsider for two hours.
- The meeting has ___ for two hours. A: begun B: finish C: been on over D: over
- The argument went on for over three hours as both sides would give in. A: went on B: over C: both sides D: give in